HDD fragmentation is a condition where the data on a hard disk drive (HDD) is not stored in contiguous clusters, but scattered across different physical locations on the disk. This happens when files are created, modified, or deleted over time, leaving gaps and fragments of data on the disk. HDD fragmentation can affect the performance of the PC, especially when accessing large files that require more disk operations to read or write12.
According to some web search results123, some signs and symptoms of a heavily fragmented HDD are:
•Longer load times for files and programs
•Graphics-heavy apps and games take too long to load new windows or process new environments
•Reduced disk space and efficiency
•Increased disk noise and temperature
•Accelerated disk wear and failure
To fix this issue, the user can use a tool called Disk Defragmenter, which is built-in in Windows. Disk Defragmenter rearranges the fragmented data on the HDD so that it is stored in contiguous clusters, improving the disk performance and reliability1. Disk Defragmenter can run on a schedule or manually by following these steps1:
•Open Disk Defragmenter by clicking the Start button. In the search box, type Disk Defragmenter, and then, in the list of results, click Disk Defragmenter.
•Under Current status, select the disk you want to defragment.
•To determine if the disk needs to be defragmented or not, click Analyze disk. If you’re prompted for an administrator password or confirmation, type the password or provide confirmation.
•Once Windows is finished analyzing the disk, you can check the percentage of fragmentation on the disk in the Last Run column. If the number is above 10%, you should defragment the disk.
•Click Defragment disk. If you’re prompted for an administrator password or confirmation, type the password or provide confirmation.
•Disk Defragmenter might take from several minutes to a few hours to finish, depending on the size and degree of fragmentation of your hard disk. You can still use your computer during the defragmentation process.
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